Last Updated: April 9, 2026
Techtenstein Services Pvt Ltd ("we," "our," or "us") operates the mobile application One Line: Brain Logic Puzzle (the "App"). This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our App and the choices you have associated with that data.
We do not require users to create an account or provide personal identifiers like names or email addresses to play the game. However, the App may collect certain information automatically.
Support Requests: If you contact us for support, we may collect your email address and any information you provide to resolve your issue.
Device Information: We may collect information about the device you use to access the App, including the hardware model, operating system version, and unique device identifiers.
Usage Data: We collect data regarding your progress, such as completed levels and achievements, which is stored locally on your device using SharedPreferences .
Advertising IDs: To provide advertisements, we use the Google Advertising ID (AD_ID).
The App uses third-party services that may collect information used to identify you. We use AdMob Mediation to deliver high-quality advertisements from multiple sources. These third parties include:
Google Play Services: Used for game functionality and progress tracking.
Google AdMob: Our primary ad controller used to display Banner, Interstitial, and Rewarded advertisements .
Unity Ads: A third-party ad network integrated via AdMob mediation to provide additional ad inventory.
Note: These third parties have their own privacy policies. We encourage you to review Google’s and Unity's Privacy & Terms regarding how they handle data.
This App is designed for fully offline gameplay and does not require a backend server. Most game data, including your level progress and hint count, remains on your local device.
If you are a resident of the European Economic Area (EEA) or California, you have specific data protection rights:
Consent: We provide a built-in consent management system (ConsentManager) to allow users to opt-in or opt-out of personalized advertising .
Access/Deletion: Since we do not store your data on our servers, you can "reset" or "delete" your data by clearing the App's cache/data in your device settings or uninstalling the App.
Our App is a logic-based puzzle game intended for a general audience. We do not knowingly collect personally identifiable information from children under 13. If we discover that a child under 13 has provided us with personal information, we immediately delete this from our records.
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.
If you have any questions about this Privacy Policy, please contact us:
Company: Techtenstein Services Pvt Ltd
Email: contact@techtenstein.com
Website: https://www.techtenstein.com